This set includes four remanufactured toner cartridges for the HP 824A series, featuring black, cyan, magenta, and yellow colors. Each cartridge delivers a standard yield of up to 37,500 pages, ensuring reliable and consistent print quality. These cartridges are fully disassembled and rebuilt to meet high-quality standards, providing a dependable alternative to original HP cartridges. The use of remanufactured cartridges does not void your printer's warranty and is backed by a 2-year guarantee.